SB20250916102 - Memory leak in Linux kernel netfilter
Published: September 16, 2025
Security Bulletin ID
SB20250916102
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Memory leak (CVE-ID: CVE-2025-39764)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the ctnetlink_expect_event(), ctnetlink_exp_dump_table(), ctnetlink_exp_ct_dump_table(), ctnetlink_dump_exp_ct() and ctnetlink_get_expect() functions in net/netfilter/nf_conntrack_netlink.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.